Research Article
Research on WNN Modeling for Gold Price Forecasting Based on Improved Artificial Bee Colony Algorithm
Table 2
Mean and standard deviations of benchmark function values.
| Test function | Dim | ABC | IF-ABC | Mean | S.D. | Mean | S.D. |
| | 20 | | | 9.35983 × 10−16 | 5.51436 × 10−16 | 30 | 3.60481 × 10−11 | 5.46368 × 10−11 | | | 50 | 5.12689 × 10−6 | 7.57033 × 10−6 | | |
| | 20 | −8296.94 | 71.2099 | −8374.8 | 23.4352 | 30 | −12024.2 | 161.724 | −12543.4 | 60.0115 | 50 | −19268.7 | 207.685 | −20528.7 | 215.453 |
| | 20 | 1.68276 × 10−7 | 7.51168 × 10−7 | | | 30 | 0.437308 | 0.605332 | 0.0454379 | 0.21805 | 50 | 6.73436 | 2.3812 | 10.7746 | 2.77952 |
| | 20 | 2.3339 × 10−9 | 1.87748 × 10−9 | | | 30 | 2.22333 × 10−5 | 1.33379 × 10−5 | | | 50 | 0.0239478 | 0.0210904 | 0.00041254 | |
| | 20 | 0.00279802 | 0.00583702 | | | 30 | 0.00294599 | 0.00756719 | | | 50 | 0.0147917 | 0.0209218 | | |
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The bold values denote the better value (mean or S.D.) in each line.
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